Pith Number

pith:SQBOJKER

pith:2021:SQBOJKERFOBRYTWBRZX47NGKNW

not attested not anchored not stored refs pending

Experimental validation of active control of low-order aberrations with a Zernike sensor through a Lyot coronagraph

Ananya Sahoo, Emiel H. Por, Greg Brady, Iva Laginja, James Noss, Laurent Pueyo, Mamadou N'Diaye, Marcel Carbillet, Marshall Perrin, Matthew Maclay, Pete Petrone, Rapha\"el Pourcelot, R\'emi Soummer, Scott D. Will

arxiv:2109.01410 v1 · 2021-09-03 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SQBOJKERFOBRYTWBRZX47NGKNW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T03:11:18.348861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9402e4a8912b831c4ec18e6fcfb4ca6da221cf00f12d6d6bb125432199fcadf8

Aliases

arxiv: 2109.01410 · arxiv_version: 2109.01410v1 · doi: 10.48550/arxiv.2109.01410 · pith_short_12: SQBOJKERFOBR · pith_short_16: SQBOJKERFOBRYTWB · pith_short_8: SQBOJKER

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/SQBOJKERFOBRYTWBRZX47NGKNW \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 9402e4a8912b831c4ec18e6fcfb4ca6da221cf00f12d6d6bb125432199fcadf8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17834efffcc7a4bacad34689451bbeac426488e90975cbd23de9b3bfb567fa45",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-09-03T09:58:13Z",
    "title_canon_sha256": "cf8097f19a44792c674d49f412875c3e6b714ae94e6d276ce365b55db8ed4c6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.01410",
    "kind": "arxiv",
    "version": 1
  }
}